Home / 249,682.71-374,542.29-72,190.65

Finding the Fourth Proportional to 249,682.71, 374,542.29 and 72,190.65

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Solution

The fourth proportional to 249,682.71, 374,542.29 and 72,190.65 is: 108,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,682.71 : 374,542.29 = 72,190.65 : x
  2. Step 2: Convert to fraction form
    249,682.71/374,542.29 = 72,190.65/x
  3. Step 3: Cross multiply
    249,682.71x = 374,542.29 × 72,190.65
  4. Step 4: Simplify right side
    249,682.71x = 27,038,451,367.59
  5. Step 5: Solve for x
    x = 27,038,451,367.59/249,682.71
  6. Step 6: Final answer
    x = 108,291.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.